The lights and their fixtures have been gone for decades, but the old sockets remained right up until the time of renovation.

Back in 2009, Uptown Update posted suggestions of five ways the CTA could improve the Gerber Building. On our wish list was: "Add the same globe lighting you used at the Howard Street station to the exterior of the Wilson station. The old lighting sockets are still in place around the outside of the building (left)."
It's wonderful to see so many of the Gerber Building's original flourishes being restored, nearly a century after it was built.